Role of matrix protein in the type D retrovirus replication cycle: importance of the arginine residue at position 55.

abstract：:To identify ranavirus virulence genes, we engineered Frog Virus 3 (FV3) knockout (KO) mutants defective for a putative viral caspase activation and recruitment domain-containing (CARD) protein (Δ64R-FV3) and a β-hydroxysteroid dehydrogenase homolog (Δ52L-FV3). Compared to wild type (WT) FV3, infection of Xenopus tadpo...

journal_title：Virology

authors： Andino Fde J,Grayfer L,Chen G,Chinchar VG,Edholm ES,Robert J

更新日期：2015-11-01 00:00:00

abstract：:Inbred mice bearing the FV-1n marker when inoculated at birth with an ecotropic murine leukemia virus (WM 1504-E) obtained from wild mice develop a progressive central nervous system (CNS) disease manifested by hindlimb paralysis and incoordination that begins by 6 to 7 weeks of age. Studies of infected SWR/J mice at ...

journal_title：Virology

authors： Oldstone MB,Jensen F,Elder J,Dixon FJ,Lampert PW

更新日期：1983-07-15 00:00:00

abstract：:Replication and transmission of avian influenza virus in humans poses a pandemic threat. The molecular determinants that facilitate this process are not well understood. We used DBA/2 mice to identify viral factors that mediate the difference in pathogenesis between a virulent (H7N3) and a non-virulent (H7N9) avian in...

journal_title：Virology

authors： DesRochers BL,Chen RE,Gounder AP,Pinto AK,Bricker T,Linton CN,Rogers CD,Williams GD,Webby RJ,Boon AC

更新日期：2016-07-01 00:00:00

abstract：:The heptauridine tract at each gene end and intergenic region (IGR) at the gene junctions of vesicular stomatitis virus (VSV) have effects on synthesis of the downstream mRNA, independent of their respective roles in termination of the upstream mRNA. To investigate the role of the U tract and the IGR in downstream gen...

journal_title：Virology

authors： Hinzman EE,Barr JN,Wertz GW

更新日期：2008-10-25 00:00:00

abstract：:Proinflammatory cytokines and chemokines are often detected in brain tissue of patients with neurological diseases such as multiple sclerosis (MS), HIV-associated dementia (HAD) and Alzheimer's disease (AD). We have utilized a mouse model of retrovirus-induced neurological disease to examine how these proinflammatory ...

journal_title：Virology

authors： Peterson KE,Evans LH,Wehrly K,Chesebro B

更新日期：2006-10-10 00:00:00

abstract：:Mice inoculated with replication-competent stocks of the murine acquired immunodeficiency syndrome (MAIDS) virus are severely immunocompromised and proned to the development of T- and B-cell lymphomas. We have studied the development of T-cell lymphomas in C57BL/6 and RF/J mice inoculated with helper-free stocks of th...

journal_title：Virology

authors： Simard C,Huang M,Jolicoeur P

更新日期：1995-01-10 00:00:00

abstract：:We used serial protein misfolding cyclic amplification (sPMCA) to amplify the D10 strain of CWD prions in a linear relationship over two logs of D10 dilutions. The resultant PMCA-amplified D10 induced terminal TSE disease in CWD-susceptible Tg(cerPrP)1536 mice with a survival time approximately 80 days shorter than th...

journal_title：Virology

authors： Meyerett C,Michel B,Pulford B,Spraker TR,Nichols TA,Johnson T,Kurt T,Hoover EA,Telling GC,Zabel MD

更新日期：2008-12-20 00:00:00

abstract：:The requirement for the herpes simplex virus type 1 (HSV-1) protein Vmw65 (VP16) for activation of immediate early (IE) gene expression was examined in synchronized HeLa cells. Analyses of IE RNA levels were conducted during infection with a viral Vmw65 mutant, in1814. The results revealed an increased requirement for...

journal_title：Virology

authors： Daksis JI,Preston CM

更新日期：1992-07-01 00:00:00

abstract：:The induction of autoimmunity by viruses has been hypothesized to occur by a number of mechanisms. Coxsackievirus B4 (CB4) induces hyperglycemia in SJL mice resembling diabetes in humans. While virus is effectively cleared within 2 weeks, hyperglycemia does not appear until about 8-12 weeks postinfection at a time whe...

journal_title：Virology

authors： Horwitz MS,Ilic A,Fine C,Rodriguez E,Sarvetnick N

更新日期：2003-09-30 00:00:00

abstract：:The poxvirus virion contains an inner tubular nucleocapsid structure. The nucleocapsid is apparently labile to conventional electron microscopy fixation procedures and has therefore been largely ignored for decades. Advancements in electron microscopy sample preparation, notably high pressure freezing, better preserve...

journal_title：Virology

authors： McFadden BD,Moussatche N,Kelley K,Kang BH,Condit RC

更新日期：2012-12-05 00:00:00

abstract：:Autographa californica multiple nucleopolyhedrovirus (AcMNPV) ac92 is a core gene encoding a protein associated with occlusion derived virus (ODV), binds human P53 and also has flavin adenine dinucleotide linked sulfhydryl oxidase activity but its role in the virus life cycle is not known. To determine ac92 function a...

journal_title：Virology

authors： Nie Y,Fang M,Theilmann DA

更新日期：2011-01-05 00:00:00

abstract：:The cellular protein MDM2 can bind to the tumor suppressor gene product p53 and abrogate its transcriptional activity. In addition, p53 can regulate expression of the mdm2 gene. We and others have previously shown that p53 is present at high levels in adenovirus-transformed cells which express the larger E1B protein. ...

journal_title：Virology

authors： Grand RJ,Lecane PS,Owen D,Grant ML,Roberts S,Levine AJ,Gallimore PH

更新日期：1995-07-10 00:00:00

abstract：:Poliovirus readily establishes a persistent infection in the K562-Mu erythroleukemia cell strain. In this study, three additional K562 cell strains were analyzed for their responses to poliovirus infection and found to be quite variable. K562 cells obtained from the ATCC established a persistent infection, similar to ...

journal_title：Virology

authors： Benton PA,Murphy JW,Lloyd RE

更新日期：1995-10-20 00:00:00

abstract：:Specific binding sites for Epstein-Barr virus (EBV) nuclear antigen (EBNA-1), isolated and semipurified from EBV-transformed nonproductive Raji cells, were visualized on the molecule of EBV DNA by electron microscopy and mapped. Two measures had to be applied to counteract the limited purity of the EBNA-1 preparation:...

journal_title：Virology

authors： Reischig J,Bartsch D,Polack A,Vonka V,Hirsch I

更新日期：1987-10-01 00:00:00

abstract：:Avian myelocytomatosis virus MC29 inoculated into the wing web of 1-day-old Brown Leghorn chickens causes a high incidence of tumors, predominantly endotheliomas that are apparently induced directly by the action of the viral myc gene. Mutants of MC29, in which portions of the v-myc gene have been deleted and which ha...

journal_title：Virology

authors： Enrietto PJ,Hayman MJ,Ramsay GM,Wyke JA,Payne LN

更新日期：1983-01-15 00:00:00

abstract：:The complete nucleotide sequence of cloned cDNAs corresponding to the full length of the mRNA encoding the measles virus hemagglutinin (H) protein has been determined. the mRNA contains a single large open reading frame which is capable of encoding a protein of 617 amino acids with a molecular mass of 69,250 Da. The d...

journal_title：Virology

authors： Alkhatib G,Briedis DJ

更新日期：1986-04-30 00:00:00

abstract：:In this study, we present enzymatic differences found between recombinant RTs derived from feline leukemia virus and feline immunodeficiency virus. Firstly, FIV RT showed low steady state K(m) values for dNTPs compared to FeLV RT. Consistent with this, FIV RT synthesized DNA more efficiently than FeLV RT at low dNTP c...

journal_title：Virology

authors： Operario DJ,Reynolds HM,Kim B

更新日期：2005-04-25 00:00:00

abstract：:The monocytoid tumor cell line U-937 and five derived subclones were infected with the HTLV-IIIB isolate of the human immunodeficiency virus (HIV). Susceptibility to infection and sensitivity to the cytopathic effects correlated with the expression of the T4 antigen on the cell surface. On the basis of these character...

journal_title：Virology

authors： Asjö B,Ivhed I,Gidlund M,Fuerstenberg S,Fenyö EM,Nilsson K,Wigzell H

更新日期：1987-04-01 00:00:00

abstract：:The complete DNA sequence of a new lytic T7-like bacteriophage phiKMV is presented. It is the first genome sequence of a member of the Podoviridae that infects Pseudomonas aeruginosa. The linear G + C-rich (62.3%) double-stranded DNA genome of 42,519 bp has direct terminal repeats of 414 bp and contains 48 open readin...

journal_title：Virology

authors： Lavigne R,Burkal'tseva MV,Robben J,Sykilinda NN,Kurochkina LP,Grymonprez B,Jonckx B,Krylov VN,Mesyanzhinov VV,Volckaert G

更新日期：2003-07-20 00:00:00

abstract：:HPV16 E6 deregulates G1/S cell cycle progression through p53 degradation preventing transcription of the CDK inhibitor p21(WAF1). However, additional mechanisms independent of p53 inactivation appear to exist. Here, we report that HPV16 E6 targets the cellular factor p150(Sal2), which positively regulates p21(WAF1) tr...

journal_title：Virology

authors： Parroche P,Touka M,Mansour M,Bouvard V,Thépot A,Accardi R,Carreira C,Roblot GG,Sylla BS,Hasan U,Tommasino M

更新日期：2011-09-01 00:00:00

abstract：:Previously a new small subclass of SV40 large T antigen with a high-binding affinity to living target cells was characterized (J. Lange-Mutschler and R. Henning, 1983, Virology 127, 333-344.) In the present study the external binding process, particularly the tight linkage of T antigen to lipid of the target cells, wa...

journal_title：Virology

authors： Lange-Mutschler J,Henning R

更新日期：1984-07-30 00:00:00

abstract：:Feline coronavirus infection can progress to a fatal infectious peritonitis, which is a widespread feline disease without an effective vaccine. Generating feline cells with reduced ability to respond to interferon (IFN) is an essential step facilitating isolation of new candidate vaccine strains. Here, we describe the...

journal_title：Virology

authors： Mettelman RC,O'Brien A,Whittaker GR,Baker SC

更新日期：2019-11-01 00:00:00

abstract：:NS35, a basic protein encoded by gene 8 of SA11 rotavirus, possesses RNA-binding activity and is essential for genome replication. To identify conserved regions in the NS35 gene and its protein product, we determined the nucleotide sequences of the NS35 gene for the mammalian and avian rotaviruses Wa, DS1, SA11 (Patto...

journal_title：Virology

authors： Patton JT,Salter-Cid L,Kalbach A,Mansell EA,Kattoura M

更新日期：1993-02-01 00:00:00

abstract：:Human immunodeficiency virus type 1 subtype C (HIV-1C) accounts for about 50% of all HIV infections in the pandemic and is the predominant subtype in the heavily burdened region of southern Africa. HIV-1C possesses unique genetic and phenotypic features that might be associated with biological differences compared to ...

journal_title：Virology

authors： Ndung'u T,Sepako E,McLane MF,Chand F,Bedi K,Gaseitsiwe S,Doualla-Bell F,Peter T,Thior I,Moyo SM,Gilbert PB,Novitsky VA,Essex M

更新日期：2006-04-10 00:00:00

abstract：:Feline immunodeficiency virus (FIV) is a lentivirus associated with an immunodeficiency syndrome of the domestic cat. A short open reading frame (ORF2), of unknown function, is present in all FIV isolates. We have investigated the role of ORF2 in determining the cell tropism of two infectious molecular clones of FIV. ...

journal_title：Virology

authors： Waters AK,De Parseval AP,Lerner DL,Neil JC,Thompson FJ,Elder JH

更新日期：1996-01-01 00:00:00

abstract：:Geographical separation of host species has shaped the avian influenza A virus gene pool into independently evolving Eurasian and American lineages, although phylogenetic evidence for gene flow and reassortment indicates that these lineages also mix on occasion. While the evolutionary dynamics of the avian influenza g...

journal_title：Virology

authors： Bahl J,Vijaykrishna D,Holmes EC,Smith GJ,Guan Y

更新日期：2009-08-01 00:00:00

abstract：:Two tick-borne encephalitis (TBE) virus variants were studied: mouse brain-adapted strain EK-328 and its derivate adapted to Hyalomma marginatum ticks. The tick-adapted virus exhibited small-plaque phenotype and slower replication in PEK cells, higher yield in ticks, decreased neuroinvasiveness in mice, increased bind...

journal_title：Virology

authors： Romanova LIu,Gmyl AP,Dzhivanian TI,Bakhmutov DV,Lukashev AN,Gmyl LV,Rumyantsev AA,Burenkova LA,Lashkevich VA,Karganova GG

更新日期：2007-05-25 00:00:00

abstract：:The mechanism by which the large-size poxviruses enter animal cells is not known. In this investigation we show that acid pH treatment of wild-type vaccinia virus-infected cells triggers strong fusion of cells in culture, with an optimum at pH 4.8. We have identified the virus-induced fusion protein as a 14-kDa envelo...

journal_title：Virology

authors： Gong SC,Lai CF,Esteban M

更新日期：1990-09-01 00:00:00

abstract：:We have used a yeast two-hybrid system to identify a baculoviral gene encoding a protein kinase-interacting protein (PKIP). The pkip gene is located at 15.8-16.2 m.u (map units) and represents ORF 24 in the sequence of Ayres et al. (1994) of the Autographa californica nuclear polyhedrosis virus. PKIP is a 19.2-kDa pro...

journal_title：Virology

authors： Fan X,McLachlin JR,Weaver RF

更新日期：1998-01-20 00:00:00

abstract：:Clones have been constructed containing full-length cDNA copies of PEBV RNA1 and RNA2, flanked by the CaMV 35 S RNA promoter and the nopaline synthase terminator. The clones are infectious when inoculated onto Nicotiana benthamiana plants. Both the viral RNAs and the virus particles were identified in infected plants....

journal_title：Virology

authors： MacFarlane SA,Gilmer D,Davies JW

更新日期：1992-04-01 00:00:00